Feisty Sara Christy, 19, Deborah Windley, 21, and Heidi Brown, 20, are part of a new all-female fighting craze taking the UK by storm. Genuine battles see the girls floor their opponents with wrestling moves as well as hair pulling and slapping. The phenomenon, called Wildcatz, was started a year ago in Nottingham by Chris Barber and his partner Bernadette Gealy and since then it's proved a huge hit.